P-Phenyl Diamine-3-Sulfonic Acid

Lingxian Chemical

Specifications

HS Code	556673
Chemical Formula	C6H7NO3S
Molar Mass	173.19 g/mol
Appearance	Typically white to light - colored solid
Solubility In Water	Soluble in water to some extent
Ph Of Aqueous Solution	Acidic due to sulfonic acid group
Melting Point	Specific value would depend on purity, but generally in a certain range
Odor	May have a faint characteristic odor
Stability	Stable under normal conditions but may react with strong oxidizing agents
Pka Value Of Sulfonic Acid Group	Typical pKa for sulfonic acids around - 1 to 1

Packing & Storage

Packing	250g of P - Phenyl Diamine - 3 - Sulfonic Acid packaged in a sealed plastic bag.
Storage	P - Phenyl Diamine - 3 - Sulfonic Acid should be stored in a cool, dry, well - ventilated area, away from heat sources and direct sunlight. Keep it in a tightly closed container to prevent moisture absorption and contact with air, which could lead to oxidation. Store it separately from oxidizing agents and incompatible substances to avoid potential chemical reactions.
Shipping	P - Phenyl Diamine - 3 - Sulfonic Acid is shipped in sealed, corrosion - resistant containers. It adheres to strict chemical shipping regulations, ensuring safe transportation to prevent any potential hazards during transit.

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General Information

Historical Development

The industry of chemical industry is changing with each passing day, and all kinds of products have their own sources. In today's words, P-Phenyl Diamine-3-Sulfonic Acid is also meaningful in the evolution of history.
At the beginning, the chemical technology was not refined, and there were few people who studied this thing. However, with the passage of time, the study of scholars deepened. In the past, it was difficult to explore its nature and control its methods. After countless trials and errors, you can only gain something.
At that time, all the sages groped in the darkness, with tenacity, chasing the truth of chemistry. Or because the material is difficult to find, or because the technique is not understood, the road to study this thing is bumpy and difficult. However, those who persevere have finally achieved success, the production method has gradually improved, and its products have gradually become universal. From little known to widely used in the field of chemical industry, this is the work of predecessors, accumulated over time, to P-Phenyl Diamine-3-Sulfonic Acid in today's situation.

Product Overview

"Description of p-Aminobenzenesulfonic Acid"
P-Phenyl Diamine-3-Sulfonic Acid (P-Phenyl Diamine-3-Sulfonic Acid) is a crucial raw material in organic synthesis. Its shape is white to off-white powder, and its properties are relatively stable.
This product has an outstanding position in the dye industry and is often a key intermediate for the synthesis of various dyes. With its unique chemical structure, it can participate in a series of complex chemical reactions, and through ingenious processes, it endows dyes with excellent color and fastness.
Furthermore, it has also emerged in the field of medicine. It can be used as a basic raw material for the synthesis of specific drugs, chemically modified and transformed to exert specific pharmacological effects.
Its preparation process has been continuously evolving and becoming more and more refined. However, in the process of production and use, it is necessary to abide by specifications and pay attention to safety protection, because some of its characteristics may have potential effects on the environment and human health.

Physical & Chemical Properties

P-Phenyl Diamine-3 - Sulfonic Acid is a chemical substance. Its physical properties are white and powdery, and it smells like a powder. Melting is special, and it has a certain degree of solubility in water, which is its inherent property. In terms of solubility, it has a certain degree of solubility in water, and it can be dissolved in it, but it is soluble in a certain state, or soluble.
Its chemical properties are low, and it has a certain degree of quality. in the molecule, the benzene-amino group and the sulfonic acid group interact with each other and give their properties. The amino group has a certain degree of resistance, and the sulfonic acid group is acidic. The coexistence of the two makes this substance capable of neutralization, or neutralization of acid, or substitution under specific conditions. In the field of chemical synthesis, it is useful.

Technical Specifications & Labeling

Today there is a chemical product, called P - Phenyl Diamine - 3 - Sulfonic Acid. Its technical specifications and identification (commodity parameters) are the key.
In terms of technical specifications, choose from raw materials, must choose pure ones, and impurities must be minimal. The method of synthesis should follow precise steps, and the heat and duration should be fixed. The reaction device should also be clean and flawless to prevent other objects from disturbing it.
As for the logo, the name of the product should be clearly identifiable, and the molecular formula, molecular weight and other parameters should be clearly listed. The purity geometry and water content should be detailed. In this way, the user can understand its nature and quality, which is beneficial to scientific research and production.

Preparation Method

To prepare P-Phenyl Diamine-3-Sulfonic Acid, the raw materials and production process are very critical. Take p-nitroaniline as the starting material, and concentrated sulfuric acid as the sulfonating agent, and the two are compatible according to the appropriate ratio. First, stir slowly at low temperature to make the reaction start, and then gradually heat up to a suitable temperature to promote the sulfonation reaction. After the reaction is completed, cool down and crystallize, and filter to obtain the crude product.
After iron powder and hydrochloric acid are used as the reducing agent, the nitro group in the crude product is reduced to amino group. Control the reaction temperature and time to make the reduction complete. After the reaction, the pure product is obtained through the steps of neutralization, filtration and recrystallization.
The key to this preparation is precise temperature control, dosing, and acid and alkali resistance of the reaction equipment. In this way, high quality P-Phenyl Diamine-3-Sulfonic Acid can be prepared.

Chemical Reactions & Modifications

Taste the wonders of chemical industry, it is related to the change of substances and the change of properties. In this case, P-Phenyl Diamine - 3 - Sulfonic Acid has a lot to learn about its chemical adaptation and modification.
The reaction of this compound may change according to the difference of temperature, pressure and catalyst. If it is combined with other agents, or new substances are generated, and bonds are formed and broken, then there are different evolutions. Its color, state and properties are also changed accordingly.
As for modification, the purpose is to improve its characteristics. Or increase its stability, or strengthen its solubility, or change its activity. Viewed from the ancient method, it is to seek the improvement of physical properties. After all kinds of attempts, observe its reaction, analyze the principle of its change, and hope to obtain good policies to change the nature of this thing, make it more suitable for industrial and scientific research, and make it more urgent when needed. In this way, it is in the way of chemical industry.

Synonyms & Product Names

"P-Phenyl Diamine-3 - Sulfonic Acid of the same name and trade name"
The husband P-Phenyl Diamine-3 - Sulfonic Acid is also a chemical product. Its namesake is also common. Or Phenylenediamine-3 - sulfonic acid, which is named after its chemical manufacture.
In the commercial industry, it is also named. Due to different regions and industries, its trade names are different. However, the origin is the same.
This chemical product is used for a variety of applications, such as dyes and materials. The identification of its namesake and trade name is conducive to the clarification of its characteristics and uses, and is also convenient for researchers to study and explore, so as to promote the development of related technologies.

Safety & Operational Standards

"P - Phenyl Diamine - 3 - Sulfonic Acid Safety and Operation Specifications"
For the husband of P - Phenyl Diamine - 3 - Sulfonic Acid, chemical products are also. Safety and operation practices are of paramount importance in its research, preparation and application.
Safety matters, the first protection. Those who use this object should wear appropriate protective clothing, such as protective clothing, gloves, and goggles to prevent it from touching the skin and eyes and causing injury. Because it may be irritating, if you accidentally touch it, rinse it with plenty of water as soon as possible, and seek medical attention in severe cases.
Also, the environment in which this object is located should be well ventilated to avoid open flames and hot topics to prevent the risk of ignition and explosion. When storing, it should be placed in a cool, dry and ventilated place, and isolated from oxidants, acids, etc., to avoid chemical reactions and lead to safety.
The operating specifications should not be ignored. Before the experiment, when the process is well-known, the instrument should be calibrated to ensure its accuracy. When weighing, you must follow the specifications and use appropriate measuring tools to measure accurately. When reacting, observe the conditions such as temperature and pressure, and do not make deviations to ensure a smooth reaction.
Furthermore, the disposal of waste is also in accordance with regulations. Do not dispose of it at will, when collected by classification, dispose of it according to environmental protection laws, and avoid polluting the environment.
In short, all matters related to P-Phenyl Diamine-3-Sulfonic Acid must strictly abide by safety and operating standards, so as to ensure personal safety, promote the orderly research and production, and protect the peace of the environment.

Application Area

"The application field of P-Phenyl Diamine - 3 - Sulfonic Acid"
Taste the wonders of chemistry, with various substances and different functions. Today there is P - Phenyl Diamine - 3 - Sulfonic Acid, which has a wide range of application fields. In the printing and dyeing industry, it can be used as a dye intermediate to assist in the preparation of colors and make fabrics fresh and lasting. In the pharmaceutical industry, or as a key raw material, it can participate in the synthesis of drugs, which is related to health needs. It is also used in the preparation of some special materials, such as photosensitive materials, etc., to endow materials with unique properties. It has a place in many branches of the chemical industry, like a pearl inlay, indispensable for the development of industry, the convenience of life, and the contribution of extraordinary power.

Research & Development

Today there is a product called P-Phenyl Diamine-3 - Sulfonic Acid, and we are exploring its development as researchers. This material has unique properties and has great potential in many fields.
Our generation has dedicated ourselves to studying, analyzing its structure and exploring its characteristics. After repeated experiments, we have gained insight into its changes in the reaction to clarify its laws. Strive to improve the process, improve its purity and increase its yield.
Looking to the future, we hope to use this product as a basis to expand new horizons. Or use it for new materials to promote science and technology; or apply it to chemical processes to improve traditional methods. Unremitting exploration, hoping to make progress on the road of scientific research, to promote the vigorous development of this material, and to add luster to the industry.

Toxicity Research

The industry of chemical industry is related to people's livelihood, but the study of poisons in it should not be careless. Today's research on P-Phenyl Diamine-3-Sulfonic Acid, the study of toxicity, is the most important thing.
This thing is also hidden in various products, and people often touch it without realizing it. Study its toxicity and detect its harm to the body, which is related to the well-being of everyone. Either into the skin, or through breathing, its poison or the ability to disturb the viscera, messing with the circulation of qi and blood.
Now examine its nature in detail, observe its changes, and clarify the signs of its poison. In the hope of precise research, know the degree of its harm. In this way, it can be used as a protective policy and a regulatory law, to raise everyone's alarm, to avoid toxins from unmasked diseases, to ensure the safety of all people, and to make chemical products beneficial and harmless.

Future Prospects

P-Phenyl Diamine - 3 - Sulfonic Acid has made its mark in today's chemical research. Looking at its characteristics, it has extraordinary potential and can be the cornerstone of all chemical industries.
Looking forward to the future, it will be of great use in the development of new materials. Or it can help synthesize tough and lightweight materials, which can be used in the field of aerospace, making the equipment more delicate. In the pharmaceutical and chemical industry, it is also expected to become a raw material for special drugs to heal all kinds of diseases.
Although there may be thorns in the road ahead, scientific researchers all have great ambitions. With unremitting research, break the shackles of technology. In the near future, P - Phenyl Diamine - 3 - Sulfonic Acid shines brightly, bringing well-being to the world, developing endless brilliance, and opening a new chapter in chemical engineering.

Frequently Asked Questions

What are the main uses of P-Phenyl Diamine-3-Sulfonic Acid?

p-Aminobenzenesulfonic acid is an important class of organic compounds. It has a wide range of uses and plays a key role in many fields.
First, in the dye industry, this substance is a key intermediate. Through a series of chemical reactions, it can be converted into many colorful dyes, such as azo dyes. These dyes are widely used in textiles, leather and other industries due to their bright color and excellent dyeing properties, imparting colorful colors to fabrics and leather.
Second, in the field of medicine, p-Aminobenzenesulfonic acid is also indispensable. The synthesis of many drugs requires it as a raw material for the preparation of compounds with specific pharmacological activities. Due to its special chemical structure, it can participate in the construction of drug molecules, thus endowing drugs with the effect of treating diseases.
Third, in terms of pesticides, p-aminobenzenesulfonic acid can be used as an important intermediate for synthesizing pesticides. The synthesized pesticides can effectively control crop diseases and pests, ensure the robust growth of crops, improve the yield and quality of crops, and make great contributions to agricultural production.
Fourth, p-aminobenzenesulfonic acid is also used in the field of analytical chemistry. It can be used as a raw material for acid-base indicators. With the help of its color change in different pH environments, it can accurately indicate the acid-base degree of the solution, providing an important basis for chemical analysis experiments.
To sum up, p-aminobenzenesulfonic acid, with its diverse uses, occupies an important position in many fields such as industry, medicine, agriculture, and chemical analysis, and has a profound impact on human production and life.

What are the physical properties of P-Phenyl Diamine-3-Sulfonic Acid?

P - Phenyl + Diamine - 3 - Sulfonic Acid is p-phenylenediamine - 3 - sulfonic acid. Its physical properties are as follows:
This substance is mostly solid at room temperature. Looking at its color, it is usually white to light gray powder, or fine crystal shape, uniform and delicate.
Its melting point is very critical, about a specific numerical range, this melting point characteristic is of great significance in identification and related process applications. The stability of the melting point reflects the relative regularity and stability of its molecular structure.
p-phenylenediamine - 3 - sulfonic acid has a certain solubility in water. Water is a common solvent. When it dissolves in water, its solubility also changes with the rise and fall of temperature. When the temperature rises, the solubility often increases. This is because the temperature rises and the molecular thermal motion intensifies, which is conducive to the interaction between solute molecules and water molecules, and then merges into the water.
However, in organic solvents, the solubility varies according to the type of solvent. In polar organic solvents, such as some alcohols and ketones, the solubility is better than that of non-polar organic solvents. Because the molecular structure of p-phenylenediamine-3-sulfonic acid has a certain polarity, it is easier to form intermolecular forces with polar solvents to promote dissolution.
Its density is also one of the important physical properties. Under normal conditions, the density is relatively stable, and this value is of guiding significance for the measurement, storage, and distribution of materials in a specific system.
In addition, the fluidity of p-phenylenediamine-3-sulfonic acid powder also has characteristics. Due to its powder or crystal form, it can show moderate fluidity under certain conditions, which has a great impact on the material transportation and mixing in the production process.

What to pay attention to when storing P-Phenyl Diamine-3-Sulfonic Acid

P-phenyl-diamine-3-sulfonic acid, when storing, need to pay attention to many matters. This material is delicate and easy to change when exposed to light, such as color or properties change, so when stored in a dark place, it should be stored in a shading container to prevent it from being exposed to light and causing quality damage.
And because it is quite sensitive to temperature and humidity, high temperature can easily promote its decomposition, improper humidity or cause deliquescence mildew. Therefore, store in a cool place, the temperature should be 15 to 25 degrees Celsius, do not make it too high to avoid deterioration. Humidity should be controlled between 40% and 60%, and a desiccant can be prepared in the storage to keep it dry.
Furthermore, this product may be toxic and corrosive, and the storage place must be kept away from food, beverages and daily necessities to prevent accidental ingestion. And should be placed separately from other chemicals, especially oxidizing substances and alkaline substances, because they meet or react violently, causing danger.
Also pay attention to the ventilation conditions of the storage place. Good ventilation can avoid the accumulation of harmful gases and ensure environmental safety. Regularly check its storage status to see if its packaging is damaged and its properties are abnormal. If there is any change, dispose of it in time to ensure the safety and quality of this substance during storage.

What is the preparation method of P-Phenyl Diamine-3-Sulfonic Acid?

The method of preparing P-phenyl-diamine-3-sulfonic acid is quite delicate. First, take an appropriate benzene substrate and place it in a clean kettle. The kettle needs to be cast from good materials to ensure chemical resistance and uniform heat transfer.
Next, introduce a sulfating reagent. This reagent should be carefully selected and follow the ancient method. It is better to mix a specific proportion of sulfuric acid with fuming sulfuric acid. When adding, it needs to be poured in slowly and stirred at the same time to make it fully blend, so as to achieve the purpose of uniform reaction. The force of stirring should not be too violent to cause the liquid to splash out, nor should it be too slow and the reaction should be uneven. It is all based on the experience of the operator.
When the reaction is completed, temperature control is essential. Initially, the temperature in the kettle is slowly heated over a low heat, so that the temperature in the kettle is slowly raised to a suitable range, between 60 and 80 degrees Celsius. At this stage, the heat needs to be closely watched, timed with an hourglass, and adjusted according to time. When the reaction is stable, gradually raise the temperature to one hundred and twenty to one hundred and forty degrees Celsius, maintain this temperature, and allow the reaction to proceed fully.
After the reaction is completed, pour the contents of the kettle into an appropriate amount of ice water, so that the product can be cooled rapidly, and the unreacted reagents can be removed. After that, filter residue is taken by filtration, and then washed with water several times to remove impurities. After washing and recrystallization with appropriate solvent, pure P-phenyl-diamine-3-sulfonic acid can be obtained. The whole process needs to be cautious step by step and not slack at all to obtain high-quality products.

What are the environmental effects of P-Phenyl Diamine-3-Sulfonic Acid?

P-Phenyl + Diamine-3-Sulfonic Acid is p-phenylenediamine-3-sulfonic acid, and the impact of this substance on the environment is quite complicated.
In the aquatic environment, if p-phenylenediamine-3-sulfonic acid flows into rivers, lakes and seas, it has certain chemical activity and may interfere with the normal physiological functions of aquatic organisms. The photosynthesis of aquatic plants may be inhibited, which covers its chemical components or hinders the synthesis and function of photosynthetic pigments. And aquatic animals, such as fish, shellfish, etc., may cause abnormalities in reproductive and immune systems due to exposure to this substance. For example, it may cause mutation of fish reproductive cells and affect population reproduction.
In terms of soil environment, if the waste containing this substance enters the soil, it will change the chemical properties of the soil. Its sulfonic acid groups may interact with minerals and organic matter in the soil, affecting the availability of soil nutrients. In the long run, the soil microbial community structure will also be damaged, and the growth and reproduction of beneficial microorganisms will be limited, which will then affect the material cycle and energy conversion of the soil ecosystem.
In the atmospheric environment, although it is less likely to evaporate directly into the atmosphere, during production and transportation, if it is not handled properly, its dust will escape or be inhaled by humans and animals. After entering the respiratory tract, it may cause respiratory irritation, allergies and other symptoms. And this substance undergoes complex photochemical reactions in the atmosphere or generates secondary pollutants, further endangering air quality and ecological environment.
P-phenylenediamine-3-sulfonic acid in different environmental media will affect ecological balance and biological health in various ways. It is necessary to properly control its use and discharge to reduce its negative effects on the environment.